Performance secrets

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Performance secrets

  1. 1. Performance Secrets Douglas Squirrel youDevise, Ltd.   https://dev.youdevise.com http://www.youdevise.com
  2. 2. Histogram
  3. 3. Database? SQL Tuning <ul><li>SELECT D.Department_Name,  </li></ul><ul><li>       E.Last_Name,  </li></ul><ul><li>       E.First_Name </li></ul><ul><li>FROM Employees E, Departments D </li></ul><ul><li>WHERE E.Department_Id=D.Department_Id </li></ul><ul><li>  AND E.Exempt_Flag='Y' </li></ul><ul><li>  AND D.US_Based_Flag='Y'; </li></ul>http://www.amazon.co.uk/SQL-Tuning-Dan-Tow/dp/0596005733
  4. 4. Database? SQL Tuning (continued) <ul><li>  </li></ul>
  5. 5. Code? Flux Capacitors <ul><ul><li>JProbe http://www.quest.com/jprobe/ </li></ul></ul><ul><ul><li>YourKit http://www.yourkit.com/ </li></ul></ul><ul><ul><li>DynaTrace Ajax http://ajax.dynatrace.com/pages/ </li></ul></ul>
  6. 6. Code? Books <ul><ul><li>http://javascriptrocks.com/performance/ </li></ul></ul><ul><ul><li>http://www.amazon.co.uk/Performance-JavaScript-Faster-Application-Interfaces/dp/059680279X/ </li></ul></ul>
  7. 7. TESTS!!!
  8. 8. youDevise, Ltd.   https://dev.youdevise.com http://www.youdevise.com

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